Uniprocessor Scheduling

Question 1

How do batch operating systems run processes or jobs?

Answer 1

Batch operating systems run processes or jobs serially on a tape

Question 2

Are interactive and multiprogramming systems the same?

Answer 2

False

Question 3

Process enters at Time 3, exits at time 10? What is the turnaround time?

Answer 3

7

Question 4

What is the goal/point of calculating turnaround time?

Answer 4

To minimize time between entry and exit

Question 5

What is response time?

Answer 5

Time between process request and process response

Question 6

Which type of system is it important to gauge response time, batch or interactive?

Answer 6

Interactive

Question 7

There are three process: P1 takes 2 seconds to complete, P2 takes 4 seconds to complete, P3 takes 6 seconds. What is the throughput?

Answer 7

4 seconds (Turnaround time/Number of processes)

Question 8

What is the point of calculating throughput?

Answer 8

Maximise the number of jobs per hour